DE667707C - Verfahren zum Herstellen von elektrischen Rohrheizelementen - Google Patents
Verfahren zum Herstellen von elektrischen RohrheizelementenInfo
- Publication number
- DE667707C DE667707C DEB170271D DEB0170271D DE667707C DE 667707 C DE667707 C DE 667707C DE B170271 D DEB170271 D DE B170271D DE B0170271 D DEB0170271 D DE B0170271D DE 667707 C DE667707 C DE 667707C
- Authority
- DE
- Germany
- Prior art keywords
- magnesium
- heating
- oxide
- magnesium oxide
- manufacture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 13
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 13
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 10
- 239000000347 magnesium hydroxide Substances 0.000 claims description 10
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 241000212342 Sium Species 0.000 claims 1
- 238000005056 compaction Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49087—Resistor making with envelope or housing
- Y10T29/49092—Powdering the insulation
- Y10T29/49094—Powdering the insulation by oxidation
Landscapes
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA204193X | 1935-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE667707C true DE667707C (de) | 1938-11-18 |
Family
ID=4147552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEB170271D Expired DE667707C (de) | 1935-05-21 | 1935-07-03 | Verfahren zum Herstellen von elektrischen Rohrheizelementen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2157884A (enrdf_load_stackoverflow) |
| CH (1) | CH204193A (enrdf_load_stackoverflow) |
| DE (1) | DE667707C (enrdf_load_stackoverflow) |
| FR (1) | FR806414A (enrdf_load_stackoverflow) |
| GB (2) | GB462263A (enrdf_load_stackoverflow) |
| NL (1) | NL43606C (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1104086B (de) * | 1955-04-09 | 1961-04-06 | Bleckmann & Co | Elektrischer Rohrheizkoerper zur Erhitzung von Wasser und anderen, kesselsteinbildende Substanzen enthaltenden Fluessigkeiten ueber jenen Temperaturbereich hinaus, in dem es zur Anlagerung von Kesselstein an seinem Mantelrohr kommt |
| DE1136782B (de) * | 1956-03-26 | 1962-09-20 | Thermel Inc | Bandartige Heizelemente, zum Beheizen zylindrischer Behaelter, Gefaesse od. dgl. |
| DE1565873B1 (de) * | 1966-03-04 | 1971-04-15 | Tuerk & Hillinger Kg | Elektrische Heizeinrichtung |
| DE2855382A1 (de) * | 1977-12-21 | 1979-06-28 | Gen Signal Corp | Elektrische heizvorrichtung |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2428899A (en) * | 1940-10-21 | 1947-10-14 | Wiegand Co Edwin L | Electrical heating element |
| US2428900A (en) * | 1940-10-21 | 1947-10-14 | Wiegand Co Edwin L | Electrical heating element |
| US2591442A (en) * | 1944-11-06 | 1952-04-01 | Simplex Electric Co Ltd | Method of making electric heating elements |
| US2456343A (en) * | 1944-12-06 | 1948-12-14 | Tuttle & Kift Inc | Electric heater and method of making same |
| US2662158A (en) * | 1951-07-28 | 1953-12-08 | Gen Electric | Heating unit and method of making the same |
| USRE30126E (en) * | 1973-07-25 | 1979-10-23 | Bilateral heater unit | |
| US3934333A (en) * | 1973-07-25 | 1976-01-27 | Churchill John W | Method of constructing bilateral heater unit |
| US4965436A (en) * | 1973-07-25 | 1990-10-23 | Southport Enterprises | Heater unit |
| US4349727A (en) * | 1973-07-25 | 1982-09-14 | Southport Enterprises, Inc. | Heater unit |
| US3982099A (en) * | 1973-07-25 | 1976-09-21 | Churchill John W | Bilateral heater unit and method of construction |
| US4125761A (en) * | 1974-10-08 | 1978-11-14 | Churchill John W | Bilateral heater unit |
| US6414281B1 (en) | 1999-07-30 | 2002-07-02 | Watlow Electric Manufacturing Company | Hot-toe multicell electric heater |
| TW201325762A (zh) * | 2011-12-20 | 2013-07-01 | Shu-Lian Chen | 波浪型電熱構造的製造方法 |
| CN104185315A (zh) * | 2013-05-24 | 2014-12-03 | 陈树炼 | 波浪型电热构造及其制造方法 |
| CN105813242A (zh) * | 2014-12-31 | 2016-07-27 | 周保国 | 带电波纹节能电加热控制系统 |
-
0
- NL NL43606D patent/NL43606C/xx active
-
1935
- 1935-07-03 DE DEB170271D patent/DE667707C/de not_active Expired
-
1936
- 1936-01-16 US US59391A patent/US2157884A/en not_active Expired - Lifetime
- 1936-03-16 GB GB7898/36A patent/GB462263A/en not_active Expired
- 1936-03-16 GB GB26314/36A patent/GB462280A/en not_active Expired
- 1936-05-04 CH CH204193D patent/CH204193A/fr unknown
- 1936-05-15 FR FR806414D patent/FR806414A/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1104086B (de) * | 1955-04-09 | 1961-04-06 | Bleckmann & Co | Elektrischer Rohrheizkoerper zur Erhitzung von Wasser und anderen, kesselsteinbildende Substanzen enthaltenden Fluessigkeiten ueber jenen Temperaturbereich hinaus, in dem es zur Anlagerung von Kesselstein an seinem Mantelrohr kommt |
| DE1136782B (de) * | 1956-03-26 | 1962-09-20 | Thermel Inc | Bandartige Heizelemente, zum Beheizen zylindrischer Behaelter, Gefaesse od. dgl. |
| DE1565873B1 (de) * | 1966-03-04 | 1971-04-15 | Tuerk & Hillinger Kg | Elektrische Heizeinrichtung |
| DE2855382A1 (de) * | 1977-12-21 | 1979-06-28 | Gen Signal Corp | Elektrische heizvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| GB462280A (en) | 1937-03-05 |
| NL43606C (enrdf_load_stackoverflow) | |
| GB462263A (en) | 1937-03-05 |
| CH204193A (fr) | 1939-04-30 |
| US2157884A (en) | 1939-05-09 |
| FR806414A (fr) | 1936-12-16 |
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